Finding the Fourth Proportional to 497,903.62, 687,103.85 and 283,043.70
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Solution
The fourth proportional to 497,903.62, 687,103.85 and 283,043.70 is: 390,598.52
Step by Step Solution
- Step 1: Write the proportion equation
497,903.62 : 687,103.85 = 283,043.70 : x - Step 2: Convert to fraction form
497,903.62/687,103.85 = 283,043.70/x - Step 3: Cross multiply
497,903.62x = 687,103.85 × 283,043.70 - Step 4: Simplify right side
497,903.62x = 194,480,415,988.25 - Step 5: Solve for x
x = 194,480,415,988.25/497,903.62 - Step 6: Final answer
x = 390,598.52
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.